Age in Months Calculator

Your details

The date of birth (or any start date) to measure from.
The date to measure age at. Defaults to today. Change this to calculate age at a past or future date.
Age in months
24months

Complete calendar months from date of birth to the selected date

Years, months and days2 years, 0 months, 0 days
Total weeks104weeks
Total days730days
Total hours (approx.)17,520hours
24 months
  • Birth
  • 2 mo: social smile
  • 4 mo: rolls tummy-to-back
  • 6 mo: sits with support
  • 9 mo: sits alone
  • 12 mo: pulls to stand
  • 18 mo: walks alone
  • 24 mo: two-word phrases
  • 36 mo: short sentences

24 complete months old.

  • By 24 months most toddlers run, speak in two-word phrases, and follow two-step directions.
  • Developmental milestones are ranges, not deadlines. Individual children vary widely. Speak with a pediatrician about any concerns.

Next stepThe next key pediatric milestone check is at 36 months.

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